node:https request() doesn't follow redirects by default, causing
Twilio media URLs (which 302 to CDN) to save placeholder/metadata
instead of actual images.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- server.ts: Replace sendFile with manual readFile+send to fix
NotFoundError when serving media (sendFile failed even after stat)
- store.ts: Return id with file extension so it matches actual filename
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
